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Feat: add Docker+wasm examples (#309)
* Add a Docker+wasm sample application featuring a WasmEdge-based microservice, a MySQL database and an Nginx web server for frontend UI files. Signed-off-by: Michael Yuan <michael@secondstate.io> * Add a logo to indicate Docker+wasm compatibility. Add project descriptions to README. Signed-off-by: Michael Yuan <michael@secondstate.io> * Add the example for WasmEdge + Kafka / Redpanda + MySQL application to take messages from a queue and save into a database table. Signed-off-by: Michael Yuan <michael@secondstate.io> * Add a SVG icon to indicate Docker + Wasm req Signed-off-by: Michael Yuan <michael@michaelyuan.com> Signed-off-by: Michael Yuan <michael@michaelyuan.com> * Update the docker compose files for the new Docker Desktop release Signed-off-by: Michael Yuan <michael@secondstate.io> * Use the correct platform to be compatible with Docker Desktop 4.15 Signed-off-by: Michael Yuan <michael@secondstate.io> * Update README.md Co-authored-by: David Karlsson <35727626+dvdksn@users.noreply.github.com> Signed-off-by: Michael Yuan <michael@michaelyuan.com> * Update wasmedge-kafka-mysql/README.md Signed-off-by: Michael Yuan <michael@michaelyuan.com> Co-authored-by: David Karlsson <35727626+dvdksn@users.noreply.github.com> Signed-off-by: Michael Yuan <michael@michaelyuan.com> * Update wasmedge-kafka-mysql/README.md Signed-off-by: Michael Yuan <michael@michaelyuan.com> Co-authored-by: David Karlsson <35727626+dvdksn@users.noreply.github.com> Signed-off-by: Michael Yuan <michael@michaelyuan.com> * Update wasmedge-kafka-mysql/etl/Dockerfile Signed-off-by: Michael Yuan <michael@michaelyuan.com> Co-authored-by: David Karlsson <35727626+dvdksn@users.noreply.github.com> Signed-off-by: Michael Yuan <michael@michaelyuan.com> * Update wasmedge-mysql-nginx/README.md Signed-off-by: Michael Yuan <michael@michaelyuan.com> Co-authored-by: David Karlsson <35727626+dvdksn@users.noreply.github.com> Signed-off-by: Michael Yuan <michael@michaelyuan.com> * Update wasmedge-mysql-nginx/README.md Signed-off-by: Michael Yuan <michael@michaelyuan.com> Co-authored-by: David Karlsson <35727626+dvdksn@users.noreply.github.com> Signed-off-by: Michael Yuan <michael@michaelyuan.com> * Update wasmedge-mysql-nginx/README.md Signed-off-by: Michael Yuan <michael@michaelyuan.com> Co-authored-by: David Karlsson <35727626+dvdksn@users.noreply.github.com> Signed-off-by: Michael Yuan <michael@michaelyuan.com> * Update wasmedge-mysql-nginx/README.md Signed-off-by: Michael Yuan <michael@michaelyuan.com> Co-authored-by: David Karlsson <35727626+dvdksn@users.noreply.github.com> Signed-off-by: Michael Yuan <michael@michaelyuan.com> * Update wasmedge-mysql-nginx/README.md Signed-off-by: Michael Yuan <michael@michaelyuan.com> Co-authored-by: David Karlsson <35727626+dvdksn@users.noreply.github.com> Signed-off-by: Michael Yuan <michael@michaelyuan.com> * Update wasmedge-mysql-nginx/README.md Signed-off-by: Michael Yuan <michael@michaelyuan.com> Co-authored-by: David Karlsson <35727626+dvdksn@users.noreply.github.com> Signed-off-by: Michael Yuan <michael@michaelyuan.com> * Update wasmedge-mysql-nginx/README.md Co-authored-by: David Karlsson <35727626+dvdksn@users.noreply.github.com> Signed-off-by: Michael Yuan <michael@michaelyuan.com> * Update wasmedge-mysql-nginx/README.md Co-authored-by: David Karlsson <35727626+dvdksn@users.noreply.github.com> Signed-off-by: Michael Yuan <michael@michaelyuan.com> * Update wasmedge-mysql-nginx/README.md Co-authored-by: David Karlsson <35727626+dvdksn@users.noreply.github.com> Signed-off-by: Michael Yuan <michael@michaelyuan.com> * Update wasmedge-mysql-nginx/README.md Co-authored-by: David Karlsson <35727626+dvdksn@users.noreply.github.com> Signed-off-by: Michael Yuan <michael@michaelyuan.com> * Change the Nginx port to the default non-privileged 8090 Signed-off-by: Michael Yuan <michael@secondstate.io> * My apologies. Need to correct the syntax for the Nginx port 8090. Signed-off-by: Michael Yuan <michael@secondstate.io> * Remove commented lines Signed-off-by: Michael Yuan <michael@secondstate.io> * Change wasi/wasm32 to wasi/wasm to conform with the latest spec Signed-off-by: Michael Yuan <michael@secondstate.io> * Update README.md Co-authored-by: Michael Irwin <mikesir87@gmail.com> Signed-off-by: Michael Yuan <michael@michaelyuan.com> Signed-off-by: Michael Yuan <michael@secondstate.io> Signed-off-by: Michael Yuan <michael@michaelyuan.com> Co-authored-by: David Karlsson <35727626+dvdksn@users.noreply.github.com> Co-authored-by: Michael Irwin <mikesir87@gmail.com>
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135
wasmedge-mysql-nginx/frontend/js/app.js
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wasmedge-mysql-nginx/frontend/js/app.js
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(function() {
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let orders = null;
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const appLoadingEle = document.getElementById("app-loading-display");
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const orderWrapperEle = document.getElementById("order-display");
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const orderEmptyTextEle = document.getElementById("order-empty-text");
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const orderTableEle = document.getElementById("order-table");
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const orderTableBodyEle = document.querySelector("#order-table tbody");
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const addOrderEle = document.getElementById("add-order-wrapper");
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const addOrderForm = document.getElementById("add-order-form");
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const orderIdField = document.getElementById("order-id");
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const productIdField = document.getElementById("product-id");
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const quantityField = document.getElementById("quantity");
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const amountField = document.getElementById("amount");
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const taxField = document.getElementById("tax");
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const shippingField = document.getElementById("shippingAmount");
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const shippingAddressField = document.getElementById("shippingAddress");
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function fetchOrders() {
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fetch("http://localhost:8080/orders")
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.then(r => r.json())
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.then(r => orders = r)
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.then(renderOrders)
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.catch((e) => {
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init();
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});
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}
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function init() {
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fetch("http://localhost:8080/init")
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.then(() => fetchOrders())
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.catch((e) => displayError(e));
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}
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function renderOrders() {
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appLoadingEle.classList.add("d-none");
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orderWrapperEle.classList.remove("d-none");
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addOrderEle.classList.remove("d-none");
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if (orders.length === 0) {
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orderEmptyTextEle.classList.remove("d-none");
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orderTableEle.classList.add("d-none");
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return;
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}
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orderEmptyTextEle.classList.add("d-none");
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orderTableEle.classList.remove("d-none");
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while (orderTableBodyEle.firstChild) {
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orderTableBodyEle.removeChild(orderTableBodyEle.firstChild);
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}
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orders.forEach((order) => {
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const orderId = order.order_id;
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const row = document.createElement("tr");
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row.appendChild(createCell(order.order_id));
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row.appendChild(createCell(order.product_id));
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row.appendChild(createCell(order.quantity));
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row.appendChild(createCell(order.amount));
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row.appendChild(createCell(order.shipping));
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row.appendChild(createCell(order.tax));
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row.appendChild(createCell(order.shipping_address));
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const actionCell = document.createElement("td");
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const deleteButton = document.createElement("button");
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deleteButton.classList.add(...["btn","btn-sm","btn-danger"]);
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deleteButton.innerText = "Delete";
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deleteButton.addEventListener("click", (e) => {
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e.preventDefault();
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deleteOrder(orderId);
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});
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actionCell.appendChild(deleteButton);
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row.appendChild(actionCell);
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orderTableBodyEle.appendChild(row);
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});
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}
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function createCell(contents) {
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const cell = document.createElement("td");
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cell.innerText = contents;
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return cell;
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}
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function deleteOrder(orderId) {
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fetch(`http://localhost:8080/delete_order?id=${orderId}`)
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.then(() => fetchOrders());
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}
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function displayError(err) {
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alert("Error:" + err);
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}
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function onAddFormSubmit(e) {
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e.preventDefault();
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const data = {
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order_id : parseFloat(orderIdField.value),
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product_id : parseFloat(productIdField.value),
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quantity : parseFloat(quantityField.value),
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amount : parseFloat(amountField.value),
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shipping : parseFloat(shippingField.value),
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tax : parseFloat(taxField.value),
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shipping_address : shippingAddressField.value,
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};
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fetch("http://localhost:8080/create_order", {
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method: "POST",
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body: JSON.stringify(data),
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headers: { "Content-type": "application/json" },
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}).then(() => fetchOrders())
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.then(() => resetAddOrderForm());
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alert("Order added");
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}
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function resetAddOrderForm() {
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orderIdField.value = "";
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productIdField.value = "";
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quantityField.value = "";
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amountField.value = "";
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shippingField.value = "";
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taxField.value = "";
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shippingAddressField.value = "";
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}
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fetchOrders();
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addOrderForm.addEventListener("submit", onAddFormSubmit);
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})();
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